PT-2024-2163 · Unknown · Weston Embedded Uc-Tcp-Ip

Francesco Benvenuto + 1 · Published 2024-02-20 · Updated 2025-02-12 · CVE-2023-39540

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Weston Embedded uC-TCP-IP version 3.06.01

Description A denial of service issue exists in the ICMP and ICMPv6 parsing functionality, related to an out-of-bounds read. This can be triggered by a specially crafted network packet, allowing a remote attacker to cause a denial of service. The issue concerns the parsing of IPv4 ICMP packets.

Recommendations For Weston Embedded uC-TCP-IP version 3.06.01, consider restricting access to the ICMP and ICMPv6 parsing functionality until a patch is available. As a temporary workaround, avoid using the vulnerable ICMP and ICMPv6 functions to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Over-read

Out of bounds Read

Weakness Enumeration

CWE-126

CWE-125

Related Identifiers

BDU:2024-02075

CVE-2023-39540

Affected Products

Weston Embedded Uc-Tcp-Ip

References · 10

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-39540 · Security Note
• https://osv.dev/vulnerability/CVE-2023-39540 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-02075 · Security Note
• https://github.com/weston-embedded/uC-TCP-IP · Note
• https://t.me/cvenotify/71982 · Telegram Post
• https://t.me/cvenotify/111105 · Telegram Post
• https://twitter.com/CVEnew/status/1759954208369819649 · Twitter Post
• https://vuldb.com/?id.254206 · Note
• https://t.me/cvenotify/72007 · Telegram Post